/*!
 * 虚拟组列表
 */

define(function () {
  return {
    radical: true,
    fraction: true,
    summation: true,
    integration: true,
    placeholder: true,
    script: true,
    superscript: true,
    subscript: true,
    brackets: true,
    function: true,
    overrightarrow: true,
    hat: true,
    widehat: true,
    vec: true,
  };
});
